Door casing construction



Jan. 26, 1943. Y H. HASENBURGER r-:rAL

- Doon CASING CONSTRUCTION Filed iaaroh 4, 1940 6 Sheets-Sheet '2 lf( 17v 1 9 ll 6; a 5

Y I 57 l/ 33 32 33 l grwem/totd/ l www Jan. '26, 1943. H. HAsENBURGER-ETAL 2,309,452

DOOR CASING CONSTRUCTION Filed March 4, 1940 6 Sheets-Sheet 5 3mm/my MEZW Jan. 26, 1943. H. HASENBURGER ErAL DOOR CAS ING CONSTRUCTION 6 Sheets-Sheet 4 Filed March 4, 1940 E DVV Jlh 26', 1943. H. HA'sENBuRGER Erm. 2,309,452 DooR c N TRuc Io Filed March 4, 1940 6 Sheets-Sheet 5 Patented Jan. 26, 19043 DOOR CASING CONSTRUCTION Henry Hasenburger, Newark, N. J., and Harvey Wiley Corbett, New- York, N. Y., assignors to Prebilt Housing Corporation, New York, N. Y., a corporation of Ohio Application March 4, 1940, Serial No. 322,126

6 Claims.

This invention relates generally to building construction and is particularly directed to door casings formed of a plurality of prefabricated sections which may be transported to the erection site and assembled by relatively unskilled labor without the use of nails, hammers or other special equipment.

The primary object of this invention resides in the provision of a door casing formed of standardized sections constructed by factory methods which will insure uniformity and accurate tting of the parts when they are later assembled.

The second object resides in providing a door casing including a pair of duplicative sections which are disposed adjacent a door opening in the building framework, in registering relationship and are secured to the framework by passing standard screw or bolt elements through a part of the casing, the said part having an interlocking engagement with the sections to prevent their separation.

Another object resides in the provision of a knock-down door casing having side and tcp rails which are formed from pieces of strip stock possessing a peculiar cross-sectional conguration, the pieces being connected to form the duplicative sections above mentioned, the peculiar shape of the strip material permitting the use of assembling strips by which the sections are heid in casing-forming order.

A still further object rests in 'the provision of a door casing which may be formed either of Wood or metal members having similar characteristics.

For a further understanding of the invention, reference is to be had to the following description and the accompanying drawings, in which the invention has been illustrated in several forms.

Fig. 1 is a. front elevational view of a portion of a wall provided with a door casing formed in accordance with the present invention;

Fig. 2 is a Vertical sectional View taken on the plane indicated by the line Ill-II of Fig. 1;

Fig. 3 is a detail horizontal sectional view taken on the plane indicated by the line III-III of Fig. 1;

Fig. 4 is a detail vertical sectional view taken through the door casing and the door provided therewith;

Fig. 5 is a vertical sectional View taken on the plane indicated by the line V-V of Fig.` 4;

Fig. 6 is a detail vertical sectional View taken on the plane indicated by the line VI-VI of Fig. 3;

Fig. 7 is a perspective view of a portion of a door stop strip forming a part of the door casing;

Fig. 8 is a similar view of a molding strip from which the side and top rails of the door casing are formed;

Fig. 9 is a horizontal sectional view taken through 'a portion of a. wall structure in which a pair of doors are provided in right angular relationship;

Fig. 10 is a front elevational View of a modied form of door casing;

Fig. 11 is a vertical sectional view taken on ge plane indicated by the line XI-XI of Fig.

Fig. 12 is a detail horizontal sectional view taken on the plane indicated by the line XII-XII of Fig. 10;

Fig. 13 is a detail vertical sectional view taken through the door on the plane indicated by the line XIII-XIII of Fig. 10;

Fig. 14 is a perspective view of a portion of a strip from which the side and top rails of the door casing are formed;

v Fig. 15 is a similar View of an assembling strip used to join the sections which form the door casing;

Fig. 16 is a horizontal sectional view of a portion of a wall structure inwhich a pair of doors are provided at right angles to one another;

Fig. 17 is a similar view in which a. pair of doors are disposed side by side.

Referring more particularly to the drawings, Figs. 1 to 9 inclusive are directed to a door casing embodying the features of the present invention, the various parts of which casing is formed being constructed of sheet metal. This door casing includes a p'air of substantially rectangular sections l having side, top and bottom rails 2, 3 and 4. The side and top rails are formed from a stamped or rolled strip of sheet metal, shown particularly in Fig. .8, which includes a frame engaging wal 5 from one edge of which projects an inner wall strip 6. This strip is connected at one of its longitudinal edges with the body 5. Adjacent the outer edge of the strip 6, a longitudinal groove 1 is formed, the purpose of which will be hereinafter set forth. An outer wall 8 is joined at one longitudinal edge to the outer edge of the strip 6, the opposite edge of the Wall 8 being Joined with a side wall 9 which projects rearwardly from the wall 8 and is provided at its rear edge with a pair of angle members connected-to the outer surface of the front walls 8 adjacent their lower ends.

The body walls of the side and top rails are provided at spaced points with openings I3 through which securing elements such as bolts I4 may pass to secure the casing sections to the vertical and horizontal portions of the wall frame. The vertical portions ot the wall frame comprise stud members I5 which are formed from strips of wood held in predetermined spaced relation by members I8. These members are formed from sheet metal plates, a pair of which are formed with side anges to receive the remaining portions which may be welded or otherwise secured to the flanges. The members I5 are spaced appropriately and the sections I are disposed adjacent the spaced studs in opposed registering relationship. The body members 5 of the side and top rails are arranged in overlapping relation with the holes I3 therein in registration. 'I'he bolts I4 are inserted in the openings and passed through openings provided therefor in the studs I5 and a horizontal frame member I1 provided at the upper portion of the door opening. This latter member and one of the strips of the studs are provided with metal plates I8 in registration With the openings. Nut members I9 are welded to the plates to receive the threaded portions of the bolts. By adjusting the bolts, the

frame engaging body portions of the side and top rails may be drawn into firm engagement with the studs and the strip I'I.

Prior to positioning the bolts in place, assembly bars are inserted in openings 2| formed in the linner walls of the side and 4top rail sections.

The members 20 are formed from metallic bars and have their outer ends bent at right angles to the body portions as at 22 to form hook-like fingers 23 which engage the inner surfaces of the flanges I I. When the bolts are threaded i'nto the V nut members I9, the bars 20 will prevent the side and top rail portions of the casing forming sections from separating. l

To further prevent separation, the bottom rails 4 are formed with threaded openings to receive machine screws 24 which extend through a sill plate 25 disposed in engagement with the horizontal flanges of the angle members 4. This plate extends over the bottom rails of both sections.

When the sections are positioned adjacent the; wall frame, the vertical ilanges of the members y 4 are disposed in engagement with the sides of a,

sill bar 26 forming a part of the oor frame construction. The bar 26 is supported by the building sill 21. being composed of wood but they might as readily be formed from fabricated metal.

'I'he strip 26 is narrower than the sill 21 to provide shoulders to receive floor supporting plates or sub-iiooring indicated at 28. The iinished ilooring 29 is positioned on and supported thereby. The edges of the finished ilooring terminste in spaced relation from the members 4, this spacing being closed by the outer edge portions of the sill plate 25.

After the sections I have been assembled, the flanges II will be in spaced relation from the -w'il panels 3II may be positioned therein. the

edge portions of the wall frame members Il and il. vThis spacing is o! such magnitude that the n'anges firmly engaging the wall panels and serving to hold them in engagement with the edges of the members I5 and I1.

The grooves in the inner walls 3 of the side and top rails will now be in registration and the casing can be completed by positioning door stop strips 3I between the sections. The strips 3l in- *clude an outer wall 32 having rearwardly directed side walls 33 at the longitudinal edges. The walls 33 terminate in inwardly and rearwardly directed extensions 34 which are bent as at 35 to provide longitudinally extending ribs spaced slightly from the rear edges of the walls 33. The extensions 34 are sufilciently iiexible to permit the ribs to snap into the groovesl where they will operate to hold stop strips in proper position. The stop strips which are applied to the side rails of the casing terminate in spaced relation from the walls l of the upper rails to permit the stop strip carried by the upper rails to rest on the upper ends of the vertical stop strips. This arrangement will prevent the horizontal stop strip from being released from the casing section in the event the spring extensions are insuillcient to retain it in position.

To facilitate the assembly of the casing sections, the openings I3 may take the form of slots opening to the free edges of the bodies 5.

' posed at right angles to one another in the corner These members are illustrated as f of a room, special side rail forming strips 36 are provided. These strips are similar to the strips from which the previously described side rails are formed but differ slightly in that the side walls 9a are narrower than the side walls 9 and rear flanges 31 formed at the rear edges and extend at right angles to the walls 9a. 'I'hese ilanges are engaged by the straight ends of Vspecial assembly bars 20a which are used to hold this form of casing to the wall stud. When this form is employed, the rear edges of the walls 3a are in engagement and form the inner corner of the room between the doors. The remaining elements of the door casings are similar to those in the single door already described,

To close the doorway openings formed by the casings, wooden doors 38 may be supported with the casing by suitable hinges, not shown.

The modified form of door casing illustrated in Figs. 10 to 17 inclusive is composed of wood parts having similar characteristics to the metal parts in the preferreddorm. In the modied form, the casing includes a pair of sections which are in opposed registering relationship adjacent the door opening in a wall. These sections have side and top rails 39 and 40 which are formed from wooden bars having a front surface y40 and a frame engaging rearsurface 4I. ,Adjacent one edge of the front surface, the bars are provided with longitudinally extending grooves 42 in which rib members 43 on assembling strips 44 are positioned. The side anciv top rails are joined in any suitable manner and the lower ends of the side rails are connected by bottom rails 4a which conform to the bottom rails ot the door casing ilrst described. The bottom rails 4a are constructed of angle iron and connected with the side rails by wood screws 45.

' 'At the edge of the wall engaging surface 4l of the strips, a second groove 4B is provided to receive the edges of finish panels 41. The panels 41 are relatively narrow and have their outer edges beveled for engagement with similarly beveled edges of the finish panels 48 with which the wall frame 49 is'provided. This frame is formed of stud members which are identical with the stud In this latter form of the invention, the strips,

from which the side and top rails of the sections are formed, do not overlap but terminate in spaced relation, the spacing being bridged by the assembling strips 44. 'Ihese strips serve the same function as the stop strips 3| but, in addition, prevent separation of the casing sections through the engagement of the ribs 43 with the side walls of the grooves 42.

At the longitudinal center portions of the strips 44, a third rib is provided which maintains the spacing between the side and top rails and strengthens the strips '44. 'Ilhese strips are provided with openings to receive machine screws B used in securing the strips in position to prevent the separation of the casing sections. The threaded portions of the screws 50 are received within threaded sleeves 5I attached to the wall frame by being ,threaded on the outer ends of bolts 52 extending through the portions of the wall frame. If desired, the bolts 52 may be secured to the wall frame by driving nails through plates 53 which are welded or otherwise secured to the bolt heads.

After the screws 50 have been inserted and the strips 44 drawn into firm engagement with the side and top rails, the sections will be positively prevented from separation and held in Vcasing forming position. 'I'he bottom rails 4a are held in proper relation in the same manner as the bottom rails in the metallic door vframe construction by passing screws 54 through a sill plate 55 which extends across the bottom rails and completes the lower portion of the casing.

If desired, the openings for the screws 54 in the sill plate may be closed after the screws have been driven home by suitable disks 56 which are glued or otherwise secured in place. These disks may be finished like the sill plate so that they will not be apparent to an-observer.

In Fig. 16, a pair of doors have been arranged at a corner of a room. The strips which form the casings of these doors are substantially the same as those forming the casing just described. The strip which forms the side rail of one of the door casings is relieved'as at 51 to permit the adjoining side rail of the other casingjto be of standard construction. After the casings have been assembled, these strips cooperate to form the inner corner of the room between the doors.

In Fig. 17, two doors are provided -in one wall leading to a pair of rooms separated by the partition 58. The adjacent side rails of the doors are connected to a stud 59 forming a part of the partition 58. The sections from which the door casings are formed are substantially the same as the sections illustrated in'Figs. 10 to 13 inclusive with the exception that one panel has been ,omitted from the groove in one of the ysection forming strips.

The casings shown in Figs. to 17 inclusive receive doors 60 which may be formed of wood or metal as desired. These doors may be supported by conventional hinge mechanisms and may be provided with the usual hardware.

In all forms of the invention, the door casings are formed from a pair of sections in opposed registering relationship adjacent a door opening and secured in casing forming order by threaded means which may be actuated by a screw driver or Wrench readily available. 'I'he casings may be assembled by relatively 4unskilled labor and since they are factory constructed, will be of uniform dimensions so that an accurate fit will be secured.

What is claimed is:

I 1. In a building construction of the type having a, wall frame provided with a door opening and vertical and horizontal construction elements adjacent the door opening, a door casing com prising a pair of identical rectangular sectiong having rail members extending in-parallel relationship to the corresponding construction elements of said wall frame, said rail members being formed with coei'ctensive assembling member receiving recesses, assembling members disposed between the rails and having portions extending into said recesses, and bolt means extending through said assembling members and into the horizontal and vertical construction elements of said wall frame to prevent the removal of said assembling members from the recesses in said casing rails.

2. In a door casing, a. side rail formed from a pair of opposed elongated bodies each having a frame engaging surface and a front surface substantially parallel therewith, said front surface being formed with a longitudinally extending groove adjacent one edge, a pair of angularly related wall engaging surfaces provided at the rear of each body, one of said surfaces being substantially parallel with said front surface, the second wall engaging surface being at right angles to the first, a door stop strip covering a portion of the front surfaces of said bodies, longitudinal rib means provided on said stop strip, said rib means being disposed in the grooves in said bodies, and means for securing said stop strip in engagement with said bodies to prevent separation thereof.

3. In a door casing, a side rail formed from a pair of opposed elongated bodieseach having a frame engaging surface and a front surface substantially parallel therewith, said front surface being formed with a longitudinally extending groove adjacent one edge, said frame engaging surface having a panel receiving groove adjacent the outer edge thereof, a door stop strip covering a portion of the front surfaces of said bodies including the grooves, longitudinal rib means provided on the rear of said stop strip, said rib means being disposed in said grooves, and means engaging saidv stop strips to prevent the removal of said ribs from the grooves and the separation of said bodies.

4. In a building construction of the type having a wall frame with an opening, a door casing comprising a pair of rectangular sections having side, top and bottom rails, said side and top rails being formed of elongated bodies having parallel frame engaging and front surfaces, the latter having a groove adjacent one edge, said sections being positioned on opposite sides of said wall frame in registering relationship adjacent the door opening, a 'door stop strip disposed in overlapping relationship with the side and top rails of each section, longitudinally extending ribs provided on said stop strips, said ribs being positioned in the grooves in said rails, means for securing said stop strips to the wall frame, said strips forcing said rails into engagement with said wall frame, a sill plate extending across the bottom rails of said sections, and means for securing said sill plate tosaid bottom rails to prevent separation of the latter.

5. A door casing comprising a pair of substantially identical rectangular sections having top, bottom and side rails, said sections being positioned in opposed relationship, a single longitudinally directed recess formed in and extending the full length of each side and top rail of said sections, door stop means disposed in engagement with said side and top rails, longitudinally extending ribs' on said stop means, said ribs being disposed in the recessesin said rails, and means for securing said sections to a wall frame, said means serving to retain said door stop means in engagement with said rails.

6. A door Ycasing comprising a plurality of substantially identical strips joined at the ends to produce a pair of inverted U-shaped sections. bar means connecting the lower ends of said U-shaped sections, the side andtop rails of said sections having longitudinally extending grooves in the inner surfaces, said sections'being disposed in opposed registering relationship when operatively positioned, door stop strips engaging the inner surfaces of said side and top rails,V rib means extending longitudinally4 of the rear faces of said stop strips and being disposed between said side and top rails and in the grooves therein, and means extending through said stop rails to secure the same to a wall frame. said stop strips serving to position said rails and prevent separation thereof from thefwall frame.

HENRY HASENBURGER. HARVEY WIDEY CORBETT. 

